Example #1
0
            public Stream PerformHandshake(Object socket)
            {
                lock (this)
                {
                    // Validate the parameter and state.
                    if (socket == null)
                    {
                        throw new ArgumentNullException("socket");
                    }
                    int fd = Utils.GetSocketFd(socket);
                    if (fd == -1)
                    {
                        throw new ArgumentException();
                    }
                    if (stream != null)
                    {
                        throw new InvalidOperationException();
                    }
                    if (ctx == IntPtr.Zero)
                    {
                        throw new ObjectDisposedException("session");
                    }

                    // Create the SSL session control object.
                    IntPtr ssl = SSL_new(ctx);
                    if (ssl == IntPtr.Zero)
                    {
                        throw new NotSupportedException();
                    }

                    // Create a socket BIO object and set it.
                    IntPtr bio = BIO_new_socket((Int)fd, (Int)0);
                    if (bio == IntPtr.Zero)
                    {
                        SSL_free(ssl);
                        throw new NotSupportedException();
                    }
                    SSL_set_bio(ssl, bio, bio);

                    // Attempt to connect or accept.
                    int result;
                    if (isClient)
                    {
                        result = (int)SSL_connect(ssl);
                    }
                    else
                    {
                        result = (int)SSL_accept(ssl);
                    }
                    if (result != 1)
                    {
                        SSL_free(ssl);
                        throw new SecurityException();
                    }

                    // Get the remote certificate and record it.
                    IntPtr x509 = SSL_get_peer_certificate(ssl);
                    if (x509 != IntPtr.Zero)
                    {
                        int length = (int)i2d_X509(x509, IntPtr.Zero);
                        if (length > 0)
                        {
                            IntPtr data = Marshal.AllocHGlobal(length);
                            if (data != IntPtr.Zero)
                            {
                                IntPtr temp = data;
                                i2d_X509(x509, ref temp);
                                remoteCertificate = new byte [length];
                                Marshal.Copy(data, remoteCertificate,
                                             0, length);
                                Marshal.FreeHGlobal(data);
                            }
                        }
                        X509_free(x509);
                    }

                    // Create the stream object and return it.
                    stream = new OpenSSLStream(ssl);
                    return(stream);
                }
            }
Example #2
0
		public Stream PerformHandshake(Object socket)
				{
					lock(this)
					{
						// Validate the parameter and state.
						if(socket == null)
						{
							throw new ArgumentNullException("socket");
						}
						int fd = Utils.GetSocketFd(socket);
						if(fd == -1)
						{
							throw new ArgumentException();
						}
						if(stream != null)
						{
							throw new InvalidOperationException();
						}
						if(ctx == IntPtr.Zero)
						{
							throw new ObjectDisposedException("session");
						}

						// Create the SSL session control object.
						IntPtr ssl = SSL_new(ctx);
						if(ssl == IntPtr.Zero)
						{
							throw new NotSupportedException();
						}

						// Create a socket BIO object and set it.
						IntPtr bio = BIO_new_socket((Int)fd, (Int)0);
						if(bio == IntPtr.Zero)
						{
							SSL_free(ssl);
							throw new NotSupportedException();
						}
						SSL_set_bio(ssl, bio, bio);

						// Attempt to connect or accept.
						int result;
						if(isClient)
						{
							result = (int)SSL_connect(ssl);
						}
						else
						{
							result = (int)SSL_accept(ssl);
						}
						if(result != 1)
						{
							SSL_free(ssl);
							throw new SecurityException();
						}

						// Get the remote certificate and record it.
						IntPtr x509 = SSL_get_peer_certificate(ssl); 
						if(x509 != IntPtr.Zero)
						{
							int length = (int)i2d_X509(x509, IntPtr.Zero);
							if(length > 0)
							{
								IntPtr data = Marshal.AllocHGlobal(length);
								if(data != IntPtr.Zero)
								{
									IntPtr temp = data;
									i2d_X509(x509, ref temp);
									remoteCertificate = new byte [length];
									Marshal.Copy(data, remoteCertificate,
												 0, length);
									Marshal.FreeHGlobal(data);
								}
							}
							X509_free(x509);
						}

						// Create the stream object and return it.
						stream = new OpenSSLStream(ssl);
						return stream;
					}
				}